What does error W10 mean on a Voltronic inverter?

It depends on the model — 36 devices use code W10. On the Axpert MAX II TWIN it means: Output power derating. The card for each model on this page gives its exact meaning and fix.

Is error W10 a fault or a warning?

W10 is a warning: the red LED flashes and the unit keeps running. Fix the underlying condition before it escalates.

How do I clear or fix error W10?

The unit keeps operating. Clear the condition shown and the warning resets automatically; if it persists, contact your installer or the repair centre. The exact steps for each affected model are listed on this page.

W10

Voltronic inverter error W10

Output power derating

Warning — the red LED flashes and the inverter keeps running. Deal with it before it escalates.

The exact meaning depends on your model:

Axpert MAX II TWIN

InverterWarning

Also applies to:Axpert MAX II TWIN 8KWAxpert MAX II TWIN 11KWAxpert MAX II TWIN 12KWAxpert MAX II Duplex 8KWAxpert MAX II Duplex 11KWAxpert MAX II 8KWAxpert MAX II 11KWAxpert MAX 8K TWIN PV11K+30

What it means

Output power derating — Warning code 10 flashing on the display: Output power derating. Audible alarm: beep twice every 3 seconds.

Cause: Output power derating.

How to fix it

The unit keeps operating.
Clear the condition shown and the warning resets automatically; if it persists, contact your installer or the repair centre.

Source: Axpert-MAXII-8K-TWIN-Off-grid-manual.pdf, p.48 · Axpert-MAXII-11K-TWIN-Off-grid-manual.pdf, p.48 · Axpert-MAXII-8K-Duplex-Off-grid-manual.pdf, p.45 · +20 more official manuals

Axpert MKS IV TWIN

InverterWarning

Also applies to:Axpert MKS 4 TWIN 6KWAxpert MKS IV 3.6KWAxpert MKS IV 5.6KW

What it means

Output power is derated — Warning code 10 flashing on the display: Output power is derated. Audible alarm: beep twice every 3 seconds.

Cause: Output power is derated.

How to fix it

The unit keeps operating.
Clear the condition shown and the warning resets automatically; if it persists, contact your installer or the repair centre.

Source: Axpert-MKS-IV-TWIN-manual.pdf, p.45 · Axpert-MKS-IV-manual-20210323.pdf, p.43

InfiniSolar V II

InverterWarning

Also applies to:InfiniSolar V II 2KWInfiniSolar V II 3KWInfiniSolar V II 5KWInfiniSolar V II 1.5KWInfiniSolar V II 2P 6KWInfiniSolar V II WP 2KWInfiniSolar V II WP 3KWInfiniSolar V II WP 5KW

What it means

Inverter power derating — Warning code 10 flashing on the display: Inverter power derating.

Cause: Inverter power derating.

How to fix it

The unit keeps operating.
Clear the condition shown and the warning resets automatically; if it persists, contact your installer or the repair centre.

Source: InfiniSolarVII_2KW-3KW-5KW_manual.pdf, p.25 · InfiniSolarVII_1.5KW_manual.pdf, p.26 · InfiniSolar-VII-2P-6KW-manual-20201207.pdf, p.29 · +1 more official manuals

InfiniSolar WP LV 12KW Premium

InverterWarning

Also applies to:InfiniSolar 10KWInfiniSolar 15KWInfiniSolar Super 4KWInfiniSolar Plus 5KW

What it means

EPO detected — Warning code 10 flashing on the display: EPO detected.

Cause: EPO is open.

How to fix it

The unit keeps operating.
Clear the condition shown and the warning resets automatically; if it persists, contact your installer or the repair centre.

Source: InfiniSolar-WP-LV-12KW-Premium-manual.pdf, p.51 · InfiniSolar-10KW-manual-20191126.pdf, p.49 · InfiniSolar-15K-manual-20200313.pdf, p.50 · +2 more official manuals

InfiniSolar TX-PA 30KW

InverterWarning

What it means

LinePhaseLoss — Warning code 10 flashing on the display: LinePhaseLoss.

Cause: The Phase sequence of grid is not suitable for inverter.

How to fix it

The unit keeps operating.
Clear the condition shown and the warning resets automatically; if it persists, contact your installer or the repair centre.

Source: InfiniSolar-TX-PA_manual.pdf, p.49

Galleon II 6K-10K

upsWarning

Also applies to:Galleon II 6KGalleon II 10K

What it means

L1 IP fuse broken — Warning code 10 flashing on the display: L1 IP fuse broken.

Cause: L1 IP fuse broken.

How to fix it

The unit keeps operating.
Clear the condition shown and the warning resets automatically; if it persists, contact your installer or the repair centre.

Source: GalleonII-6-10K-Tower-RT-manual.pdf, p.29

Galleon X9 6K-10K RT

upsWarning

Also applies to:Galleon X9 6K RTGalleon X9 10K RT

What it means

IP Fuse Open — Warning code 10 flashing on the display: IP Fuse Open.

Cause: Input fuse on the power stage board is burnt.

How to fix it

Check and replace the input fuse.

Source: Galleon-X9-6-10K-RT_manual.pdf, p.28

Giant Elite 3P/3P

upsWarning

Also applies to:Giant Elite 3P/3P 10K-40KVA

What it means

EEPEOM communication failed — Warning code 10 flashing on the display: EEPEOM communication failed.

Cause: EEPEOM communication failed.

How to fix it

The unit keeps operating.
Clear the condition shown and the warning resets automatically; if it persists, contact your installer or the repair centre.

Source: Giant-Elite-3P3P-manual.pdf, p.41

Frequently asked questions

What does error W10 mean on a Voltronic inverter?: It depends on the model — 36 devices use code W10. On the Axpert MAX II TWIN it means: Output power derating. The card for each model on this page gives its exact meaning and fix.
Is error W10 a fault or a warning?: W10 is a warning: the red LED flashes and the unit keeps running. Fix the underlying condition before it escalates.
How do I clear or fix error W10?: The unit keeps operating. Clear the condition shown and the warning resets automatically; if it persists, contact your installer or the repair centre. The exact steps for each affected model are listed on this page.

Related error codes

Compiled from official Voltronic user manuals. Always consult your device manual and a qualified technician before performing repairs.

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Frequently asked questions

Related error codes

Other codes on the Axpert MAX II TWIN

Other codes on the Axpert MKS IV TWIN

Other codes on the InfiniSolar V II

Other codes on the InfiniSolar WP LV 12KW Premium

Other codes on the InfiniSolar TX-PA 30KW

Other codes on the Galleon II 6K-10K